Golang C.sqlite3_next_stmt类(方法)实例源码

// Close closes a database connection and any dangling statements.
// (See http://sqlite.org/c3ref/close.html)
func (c *Conn) Close() error {
	if c == nil {
		return errors.New("nil sqlite database")
	}
	if c.db == nil {
		return nil
	}

	c.stmtCache.flush()

	// Dangling statements
	stmt := C.sqlite3_next_stmt(c.db, nil)
	for stmt != nil {
		if C.sqlite3_stmt_busy(stmt) != 0 {
			Log(C.SQLITE_MISUSE, "Dangling statement (not reset): \""+C.GoString(C.sqlite3_sql(stmt))+"\"")
		} else {
			Log(C.SQLITE_MISUSE, "Dangling statement (not finalize): \""+C.GoString(C.sqlite3_sql(stmt))+"\"")
		}
		C.sqlite3_finalize(stmt)
		stmt = C.sqlite3_next_stmt(c.db, nil)
	}

	rv := C.sqlite3_close(c.db)
	if rv != C.SQLITE_OK {
		Log(int(rv), "error while closing Conn")
		return c.error(rv, "Conn.Close")
	}
	c.db = nil
	return nil
}

func (c *SQLiteConn) Close() error {
	s := C.sqlite3_next_stmt(c.db, nil)
	for s != nil {
		C.sqlite3_finalize(s)
		s = C.sqlite3_next_stmt(c.db, nil)
	}
	rv := C.sqlite3_close(c.db)
	if rv != C.SQLITE_OK {
		return errors.New("sqlite succeeded without returning a database")
	}
	c.db = nil
	return nil
}

// Close the connection.
func (c *SQLiteConn) Close() error {
	s := C.sqlite3_next_stmt(c.db, nil)
	for s != nil {
		C.sqlite3_finalize(s)
		s = C.sqlite3_next_stmt(c.db, nil)
	}
	rv := C.sqlite3_close(c.db)
	if rv != C.SQLITE_OK {
		return errors.New("error while closing sqlite database connection")
	}
	c.db = nil
	return nil
}

// Close the connection.
func (c *SQLiteConn) Close() error {
	s := C.sqlite3_next_stmt(c.db, nil)
	for s != nil {
		C.sqlite3_finalize(s)
		s = C.sqlite3_next_stmt(c.db, nil)
	}
	rv := C.sqlite3_close(c.db)
	if rv != C.SQLITE_OK {
		return ErrNo(rv)
	}
	c.db = nil
	return nil
}